PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/16-04:57:40
G07     46.1           69.2                5.0 +/-    0.57       5.3 +/-    0.57  0.040 / 0.050
G08     51.9           40.1                4.7 +/-    1.24       6.9 +/-    1.24  0.040 / 0.050
G09     175.7          37.0                8.3 +/-    1.33      12.7 +/-    1.33  0.030 / 0.030
G11     120.3          33.6                7.2 +/-    0.61      11.7 +/-    0.61  0.030 / 0.030
G17     198.5          13.4                4.4 +/-    1.02      11.5 +/-    1.02  0.160 / 0.190
G18     104.6          14.8                5.6 +/-    1.58      13.9 +/-    1.58  0.140 / 0.260
G23     161.4          12.9                4.3 +/-    5.04      11.1 +/-    5.04  0.110 / 0.220
G27     38.3           12.0                1.6 +/-    1.93       4.3 +/-    1.93  0.120 / 0.240
G28     268.7          49.5                5.0 +/-    0.74       6.4 +/-    0.74  0.090 / 0.340
G30     326.7          56.1                4.3 +/-    0.70       5.0 +/-    0.70  0.080 / 0.280